BlackEagle Partners LLC, a private equity firm in Bloomfield Hills, announced today that it has bought Lyman Lumber Co. of Excelsior, Minn., a company with more than 500 employees and annual sales of more than $100 million.

BlackEagle will fold the company into USLBM Holdings LLC, a platform company based in Green Bay, Wis. Lyman is the seventh building-products company bought by BlackEagle for US LBM since 2010.

Lyman, which offers a range of materials and services to builders and professional remodelers, will continue to operate under that name. The sale includes three other Lyman companies: Automated BuildingComponents, Carpentry Contractors Corp. and Lyman Lumber.